https://devstreaming-cdn.apple.com/videos/wwdc/2017/601nzg4idodih222/601/601_hd_introducing_metal_2.mp4
https://devstreaming-cdn.apple.com/videos/wwdc/2017/607x3ix6ocbh8/607/607_hd_metal_2_optimization_and_debugging.mp4
https://devstreaming-cdn.apple.com/videos/wwdc/2017/608gcvcpr8gs2/608/608_hd_using_metal_2_for_compute.mp4
https://devstreaming-cdn.apple.com/videos/wwdc/2017/603anuihzisyb2a3/603/603_hd_vr_with_metal_2.mp4
https://devstreaming-cdn.apple.com/videos/tutorials/20170912/604c7y7cq00ft/metal_tile_shaders/metal_tile_shaders_hd.mp4